A Study of Differential Phase Delay of CE-3 based on Chinese VLBI Network

Zheng Xin; Liu Qinghui; Wu Yajun; He Qingbao; Li Peijia; Huang Yong; Zhou Weili

Astronomical Research and Technology > 2016 > 13(4): 400-407.

Zheng Xin, Liu Qinghui, Wu Yajun, He Qingbao, Li Peijia, Huang Yong, Zhou Weili. A Study of Differential Phase Delay of CE-3 based on Chinese VLBI Network[J]. Astronomical Research and Technology, 2016, 13(4): 400-407.

Citation:

PDF (3929 KB)

A Study of Differential Phase Delay of CE-3 based on Chinese VLBI Network

Shanghai Astronomical Observatory, Chinese Academic of Sciences, Shanghai 200030, China

More Information

Received Date: January 12, 2016
Revised Date: February 22, 2016
Available Online: November 20, 2023

Graphical Abstract

Abstract

Abstract

After its successful soft landing, Chinese VLBI Network has been observing Chang'E-3 Rover and Lander by using Same-Beam VLBI technique. In this paper, we present a research on the residuals of DPD after eighth-order polynomial fitting.Its random error is 0.085 picosecond (ps) as Rover transmits data and 0.192ps when rover launches telemetry signal. We also acquire closure delay of DPD; it almost equals to the systematic error that computes during determination, which implies that cycle ambiguity of DPD can be successfully determined. We also analyze the residuals obtained after relative position determination, and find that RMS is around 0.2-0.7mm when the rover transmits telemetry signal, and is about 0.05mm while rover transmits data. Based on the analysis of DPD residuals, we conclude that the system error of DPD has three main issues affecting its performance, including the bias of cycle ambiguity, the differential delay of ionospheric and the noise which is caused by the reference signal with low frequent stability.
- Chinese VLBI Network,
- Chang'E-3,
- SBI,
- Differential phase delay

FullText(HTML)

References (14)

References

[1]	Liu Qinghui, Chen Ming, Xiong Weiming, et al. Relative position determination of a lunar rover using high-accuracy multi-frequency same-beam VLBI[J]. Science China Physics, Mechanics & Astronomy, 2010, 53(3):571-578.
[2]	Liu Q H, Chen M, Goossens S, et al. Applications of same-beam VLBI in the orbit determination of multi-spacecrafts in a lunar sample-return mission[J]. Science China Physics, Mechanics & Astronomy, 2010, 53(6):1153-1160.
[3]	Chen Ming, Liu Qinghui, Wu Yajun, et al. Relative position determination of a lunar rover using the biased differential phase delay of same-beam VLBI[J]. Science China Physics, Mechanics & Astronomy, 2011, 54(12):2284-2295.
[4]	陈明, 刘庆会, 陈冠磊, 等. 同波束干涉测量差分相位计算与DOR时延精度验证[J]. 测绘学报, 2013, 42(6):817-823. Chen Ming, Liu Qinghui, Chen Guanlei, et al. Calculation of differential phases in same-beam VLBI and accuracy verification of DOR delay[J]. Acta Geodaeticaet Cartographica Sinica, 2013, 42(6):817-823.
[5]	郑鑫, 刘庆会, 吴亚军, 等. 双月球探测器相对定位的同波束VLBI技术研究[J]. 宇航学报, 2014, 35(9):1030-1035. Zheng Xin, Liu Qinghui, Wu Yajun, et al. Research on same-beam VLBI technique for relative position determination of two lunar spacecrafts[J]. Journal of Astronautics, 2014, 35(9):1030-1035.
[6]	Liu Qinghui, Zheng Xin, Huang Yong, et al. Monitoring motion and measuringrelative position of the Chang'E-3 rover[J]. Radio Science, 2014, 49(11):1080-1086.
[7]	Huang Yong, Chang Shengqi, Li Peijia, et al. Orbit determination of Chang'E-3 and positioning of the lander and the rover[J]. Chinese Science Bulletin, 2014, 59(29-30):3858-3867.
[8]	李培佳, 黄勇, 昌胜骐, 等. 基于地基观测的嫦娥三号着陆器与巡视器高精度定位[J]. 科学通报, 2014, 59(32):3162-3173. Li Peijia, Huang Yong, Chang Shengqi, et al. Positioning for the Chang'E-3 lander and rover using Earth-based observations (in Chinese)[J]. Chinese Science Bulletin, 2014, 59(32):3162-3173.
[9]	Folkner W M, Williams J G, Boggs D H.The planetary and lunar ephemeris DE 421[R]//The Interplanetary Network Progress Report. 2009:1-34.
[10]	张捍卫, 盘关松, 马高峰, 等. VLBI观测的电离层延迟改正模型研究[J]. 测绘学院学报, 2003, 20(1):14-18. Zhang Hanwei, Pan Guansong, Ma Gaofeng. Research on the ionosphere delays correction model for VLBI observation[J]. Journal of Institute of Surveying and Mapping, 2003, 20(1):14-18.
[11]	Walls F L, Allan D W. Measurement of frequency stability[J]. Proceedings of the IEEE, 1986, 74(1):162-168.
[12]	张小红, 朱锋, 薛学铭, 等. 利用Allan方差分析GPS非差随机模型特性[J]. 测绘学报, 2015, 44(2):119-127. Zhang Xiaohong, Zhu Feng, Xue Xueming, et al. Using Allan variance to analyze the zero-differenced stochastic model characteristics of GPS[J]. Acta Geodaeticaet Cartographica Sinica, 2015, 44(2):119-127.
[13]	吴亚军, 刘庆会, 陈冠磊, 等. VLBI 相时延及其在深空探测器测定轨中的应用[J]. 中国科学:信息科学, 2014, 44(2):221-230. Wu Yajun, Liu Qinghui, Chen Guanlei, et al. VLBI phase delay and its application in orbit determination of spacecraft[J]. Scientia Sinica:Informationis, 2014, 44(2):221-230.
[14]	贺庆宝, 刘庆会, 郑鑫, 等. 同波束VLBI 差分时延率研究[J]. 天文研究与技术，国家天文台台刊, 2014, 11(3):247-254. He Qingbao, Liu Qinghui, Zheng Xin, et al. A study of difference delay rates derived from processing of same-beam VLBI data[J]. Astronomical Research & Technology，Publications of National Astronomical Observatories of China, 2014, 11(3):247-254.

Articles Related

[1]	Wang Ziyue, Ren Deqing. Improved to Differential Image Motion Monitor [J]. Astronomical Research and Technology, 2019, 16(1): 114-122.
[2]	Pei Xin, Chen Maozheng, Li Jian, Yan Hao. An Experiment of VLBI Clock-Signal Distribution through Optical Fibers Based on Signal-Delay Measurement Using a Digital Correlator [J]. Astronomical Research and Technology, 2015, 12(3): 270-276.
[3]	Zhao Panpan, Chen Maozheng. A Study of a Broadband Difference Phase Shifter for a Corrugated Waveguide [J]. Astronomical Research and Technology, 2015, 12(1): 9-13.
[4]	He Qingbao, Liu Qinghui, Zheng Xin, Wu Yajun, Tang Mingle. A Study of Difference Delay Rates Derived from Processing of Same-Beam VLBI Data [J]. Astronomical Research and Technology, 2014, 11(3): 247-254.
[5]	Jia Zhenqing, Huo Zhuoxi, Zhou Jianfeng. Application of a Differential-CLEAN Algorithm in the Coded-Mask Imaging [J]. Astronomical Research and Technology, 2013, 10(1): 69-76.
[6]	JIANG Hu, HUANG Cheng. Impact of Solar Radio Flux on Ionospheric Phase Delay in GPS/LEO Occultation Methodology [J]. Astronomical Research and Technology, 2003, 0(3): 36-41.
[7]	ZHENG Wei-ming, SHU Feng-chun, ZHANG Xiu-zhong. The Real-time VLBI Technology [J]. Astronomical Research and Technology, 2003, 0(1): 100-105.
[8]	Liu Zhong, Qiu Puzhang, Qiu Yaohui, Qian Ping. Experiments of the Differential Image Motion Method for Measureing the Seeing [J]. Publications of the Yunnan Observatory, 1993, 0(4): 22-30.
[9]	Liu Zhong, Qiu Yaohui, Qian Ping. Two Problems on the Principle of the Measurement of Seeing by Using the Differential Image Motion Method [J]. Publications of the Yunnan Observatory, 1993, 0(2): 54-60.
[10]	Ying Jian WANG, Feng Jun GUAN. GROUND-BASED OBSERVATION OF STRATOSPHERIC NITROGEN DIOXIDE BY DIFFERENTIAL OPTICAL ABSORPTION METHOD [J]. Publications of the Yunnan Observatory, 1989, 0(S1): 236-241.